Probing the merger history of red early-type galaxies with their faint stellar substructures Brisa Mancillas, Pierre-Alain Duc, Françoise Combes, Frédéric Bournaud, Eric Emsellem, Marie Martig and Leo Michel-Dansac A&A, 632 (2019) A122 Published online: 16 December 2019 DOI: 10.1051/0004-6361/201936320